The dominatrix desires nothing less than complete control over a deeply perverted male masochist who eagerly seeks anal training. Using every method possible, she develops his highly sensitive anus, subjecting it to extreme and thorough stretching. The deeper the anal expansion, the more intense the orgasmic experience. Yet climax isn't always defined by ejaculation. Pleasure strikes first within the mind, sending the man into a 'dry orgasm'—an explosive release without semen. This is the true sensation of 'brain ejaculation.' Trapped in a relentless loop of repeated anal stretching and climax, the man's primal instincts gradually awaken, pushing past new limits. Under the dominatrix's absolute control, the deepest, most hidden desires buried within him are finally unleashed.